Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05554500 VERMILION RIVER AT PONTIAC, IL


Livingston County, Illinois
Hydrologic Unit Code 07130002
Latitude  40°52'40", Longitude  88°38'10" NAD27
Drainage area 579  square miles
Gage datum 619.45 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1942-10-01 -> 2021-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 609 406 560 767 1,070 703 488 151 112 126 227 336
2 500 426 575 770 1,020 690 397 108 126 145 223 389
3 415 420 551 753 847 649 351 110 122 182 242 373
4 464 395 639 765 711 578 329 165 93 226 224 423
5 544 488 765 724 664 561 327 199 68 183 203 381
6 545 503 773 749 671 580 325 180 73 134 188 342
7 480 487 678 732 677 574 329 157 105 115 160 315
8 464 428 682 668 724 577 300 155 103 109 140 355
9 484 425 730 699 788 589 375 139 131 110 126 342
10 464 459 826 706 838 590 456 110 154 111 137 295
11 497 454 928 703 876 632 486 111 159 113 184 302
12 510 450 908 850 948 607 498 94 121 111 196 430
13 512 451 816 859 976 634 534 79 98 105 203 459
14 513 489 842 832 1,070 668 524 65 171 120 229 382
15 516 455 872 842 1,040 624 503 106 273 127 248 358
16 441 414 844 822 934 614 416 173 245 128 255 355
17 349 464 796 805 876 607 330 131 173 192 250 331
18 305 563 836 763 947 579 354 95 130 227 268 306
19 301 585 850 774 931 616 435 104 132 209 353 259
20 356 617 836 783 820 625 350 163 116 165 346 247
21 371 744 803 766 693 670 288 215 90 136 291 254
22 369 870 753 779 632 795 279 151 89 128 245 356
23 378 919 723 868 626 755 301 113 125 162 255 394
24 445 825 718 835 609 655 277 116 152 201 276 375
25 458 712 678 859 606 634 239 105 153 190 283 433
26 409 611 637 919 720 634 217 94 155 171 283 469
27 381 618 612 927 750 640 198 103 133 167 336 462
28 374 601 686 921 712 619 186 115 117 152 400 530
29 357 368 817 874 726 602 196 97 102 133 390 617
30 352   829 938 690 555 174 96 115 158 330 658
31 381   796   672   207 99   230   663